CURLOPT_CUSTOMREQUEST : A custom request method to use instead of "GET" or "HEAD" when doing a HTTP request. This is useful for doing "DELETE" or other, more obscure HTTP requests.CURLOPT_HTTPGET : TRUE to reset the HTTP request method to GET.CURLOPT_POST : TRUE to do a regular HTTP POST.CURLOPT_PUT : TRUE to HTTP PUT a file. The file to PUT must be set with CURLOPT_INFILE and CURLOPT_INFILESIZE.